Incidents · distress
Distress signal received on 121.5 mhz vicinity 15-54.0N 146-17.7E at 131751Z may
HYDROPAC 409/99
- issued
- 1999-05-13 19:55Z
- status
- cancelled 1999-05-15 00:05Z (archive)
- sea
- North Pacific Ocean
- position
- 15.900, 146.295
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
DISTRESS SIGNAL RECEIVED ON 121.5 MHZ VICINITY 15-54.0N 146-17.7E AT 131751Z MAY. VESSELS IN VICINITY REQUESTED TO KEEP A SHARP LOOKOUT, ASSIST IF POSSIBLE. REPORTS TO U.S. COAST GUARD GUAM.
This area · distress & casualty cases (archived)
164 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- Due to forecasted impact from typhoon mawar, rcc guam command center 13-25.00N 144-50.00E has been evacuated…2023-05-23
- Distress signal received on 406 mhz in 15-22.00N 146-57.00E at 012319Z jul2022-07-02
- Distress signals received on 406 mhz at 080459Z jul in: a. 18-29-02N 158-03-30E2021-07-08
- 18 foot M/V, gray hull, one person on board, overdue anatahan island (16-22-50N 145-40-36E) to sarigan…2021-06-25
- 25 foot vessel, white hull, three persons on board, taking on water in 16-35N 145-47E at 241945Z may2021-05-24
- 25 foot vessel, white hull, three persons on board, taking on water in 16-35N 145-47E at 241945Z may2021-05-24
Season · when distress & casualty cases (archived) happen here
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month of issue, all years in the archive
Timeline · 2 messages since 1999-05-13 · closed 1999-05-15
- Distress signal received on 121.5 mhz vicinity 15-54.0N 146-17.7E at 131751Z may this message1999-05-13 → 1999-05-15
- Cancel HYDROPAC 409/99 and this msg, distress signal ceased1999-05-15 → 1999-05-15
joined by chain
Nearby now · within 120 nm
- Hazardous operations 0100Z to 0800Z daily 01 thru 03 sep in area bound by 17-00.00N 145-04.98E, 17-00.00N…Exercises · 36.7 nm
- Hazardous operationsExercises · 36.7 nm
Worldwide now
3 distress & casualty cases (archived) in force · see all
Incidents
Search-and-rescue broadcasts, published only once a case has been closed for 30 days: groundings, sinkings, capsizes, fires, man overboard, overdue vessels. Nothing here is live. All current distress & casualty cases (archived) →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.